he has [a basketball] 括号中句子提问
they have computers 改否定句
he has [a basketball] 括号中句子提问
they have computers 改否定句
What does he have?
They do not have computers
he has [a basketball] 括号中句子提问: What does he have?
they have computers 改否定句: They don't have computers./They have no computers.